<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="description" content="这是一个展示HTML元数据标签用法的示例页面，包含常见meta标签的说明。">
  <meta name="keywords" content="HTML, meta标签, 元数据, 前端开发">
  <meta name="author" content="豆包编程助手">
  <meta name="robots" content="index, follow">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta property="og:title" content="HTML元数据标签示例">
  <meta property="og:type" content="article">
  <meta property="og:url" content="https://example.com/meta-tags">
  <meta property="og:image" content="https://example.com/meta-image.jpg">
  <meta http-equiv="refresh" content="30; url=https://example.com">
  <title>HTML元数据标签示例</title>
</head>
<body>
  <h1>HTML元数据标签演示</h1>
  <p>查看页面头部的meta标签示例及说明。</p>
</body>
</html>